The following are the things to keep in mind when writing an immediate resignation letter: Write the date first. Explain only necessities.In this article, we cover everything you need to know about writing a resignation letter without notice and provide an example to get you started. Create an Immediate Resignation Letter without a notice period using our free printable templates. Resign with a professionally designed document. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. Linked below are templates for resignations and retirements. Please be certain that your letter is signed, dated correctly and addressed to your administrator. The PDF version of these forms are FILLABLE.